磁流体对气腔不完全密封振荡系统的阻尼

IF 0.3 4区工程技术 Q4 MECHANICS

Magnetohydrodynamics Pub Date : 2020-12-01 DOI:10.22364/mhd.56.4.3

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Damping of an oscillatory system with incomplete sealing of the air cavity by magnetic fluid

The article presents results of an experimental study on damping an oscillatory system with incomplete sealing of the air cavity by a magnetic ﬂuid. The sealing degree varies due to the process of gas pumping through capillaries of diﬀerent radii. The proposed relaxation theory of a capillary oscillating gas ﬂow predicts abnormally large values of the damping coeﬃcient and almost complete damping of the oscillatory system with a magneto-ﬂuid inertial element. The obtained data are of applied importance.

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